Removal of nitrogen from tile drainage
Subtitle: a summary report.
Contributors: United States. Environmental Protection Agency. Water Research Center.; United States. Environmental Protection Agency. Region IX.; United States. Bureau of Reclamation.
Series: Water pollution control research series; Bioengineering aspects of agricultural drainage, San Joaquin Valley, California; Bulletin (California. Dept. of Water Resources) -- 174-9
Publisher: [Environmental Protection Agency, Office of Research and Monitoring] For sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1971
Place of publication: Washington
Language: eng
Number of pages: 30
Subjects: Water -- Purification -- Nitrogen removal.; Drainage -- California -- San Joaquin Valley.
Notes: "Based on reports prepared by the California Department of Water   Resources; Environmental Protection Agency, Water Research Center   [and] Environmental Protection Agency, Region IX."

"The three principal agencies involved in the study are the Water Quality Office of the Environmental Protection Agency, the United States Bureau of Reclamation, and the California Department of Water Resources"--p. [2] of cover.

"13030 ELY 5/71-6; REC-R2-71-6; DWR no. 174-9"--Cover.

"DWR-WOO grant no. 13030 ELY; DWR-USBR contract no. 14-06-200-3389A."

"May 1971."

"The agricultural drainage study was conducted under the direction of: Robert J. Pafford, Paul De Falco [and] John R. Teerink"

Bibliography: p. 27.